Lua APA (7ú heag.)

Fraenkel, P. (1979). The Power guide: A catalogue of small scale power equipment. Intermediate Technology Publications.

Lua i Stíl Chicago (17ú heag.)

Fraenkel, Peter. The Power Guide: A Catalogue of Small Scale Power Equipment. London: Intermediate Technology Publications, 1979.

Lua MLA (8ú heag.)

Fraenkel, Peter. The Power Guide: A Catalogue of Small Scale Power Equipment. Intermediate Technology Publications, 1979.

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